141d262be2dcdc37113baad3a6282e6efa33d2d259006bb5094d8803fb45701b

Resubmissions

27/10/2024, 23:24

241027-3d31zsvele7

27/10/2024, 22:52

241027-2txcpsvfkk8

27/10/2024, 22:45

241027-2pv9vavamh8

Analysis

max time kernel
144s
max time network
206s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27/10/2024, 22:52

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General

Target
$R0/Uninstall Wave.exe
Size 322KB
Sample241027-2txcpsvfkk
SHA256 d56148d8188f1f59b8a58aa08830223a29c436ff6e4b701ff835c10951edc85c
MD5 3e134fbdb1ff507afe964aad225c944b
SHA1 823459cfd68d9eb08b12f2ce14558c05605c767b
SHA512 77d60c2f5608224b63e98ec9bae881a1117fe6ddac3eb6c60aaf5fd140103033b91cd8eb2a2a917ac903dc2be53d9f324d8e981c613c0855db547e0edcfa45be
SSDEEP 6144:C740I1STunbw0/5WpmWu6btWks2t0EyL+yaW:wYSinbT5WpdtgRKJW
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	Un_A.exe

Executes dropped EXE 1 IoCs

pid	Process
2384	Un_A.exe

Loads dropped DLL 6 IoCs

pid	Process
2384	Un_A.exe
2384	Un_A.exe
2384	Un_A.exe
2384	Un_A.exe
2384	Un_A.exe
2384	Un_A.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

discovery

Process Discovery

T1057

pid	Process
1068	tasklist.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Un_A.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	find.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tasklist.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Uninstall Wave.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2384	Un_A.exe
2384	Un_A.exe
1068	tasklist.exe
1068	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1068	tasklist.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2384	2756	Uninstall Wave.exe	86
PID 2756 wrote to memory of 2384	2756	Uninstall Wave.exe	86
PID 2756 wrote to memory of 2384	2756	Uninstall Wave.exe	86
PID 2384 wrote to memory of 1304	2384	Un_A.exe	93
PID 2384 wrote to memory of 1304	2384	Un_A.exe	93
PID 2384 wrote to memory of 1304	2384	Un_A.exe	93
PID 1304 wrote to memory of 1068	1304	cmd.exe	95
PID 1304 wrote to memory of 1068	1304	cmd.exe	95
PID 1304 wrote to memory of 1068	1304	cmd.exe	95
PID 1304 wrote to memory of 2700	1304	cmd.exe	96
PID 1304 wrote to memory of 2700	1304	cmd.exe	96
PID 1304 wrote to memory of 2700	1304	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Wave.exe
"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Wave.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\$R0\
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2384
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c tasklist /FI "USERNAME eq %USERNAME%" /FI "IMAGENAME eq Wave.exe" /FO csv | "C:\Windows\system32\find.exe" "Wave.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1304
  - - C:\Windows\SysWOW64\tasklist.exe
      tasklist /FI "USERNAME eq Admin" /FI "IMAGENAME eq Wave.exe" /FO csv
      4⤵
      Enumerates processes with tasklist
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1068
  - - C:\Windows\SysWOW64\find.exe
      "C:\Windows\system32\find.exe" "Wave.exe"
      4⤵
      System Location Discovery: System Language Discovery
      PID:2700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

StdUtils.dll

Path C:\Users\Admin\AppData\Local\Temp\nsh97DC.tmp\StdUtils.dll
Size 100KB
SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
MD5 c6a6e03f77c313b267498515488c5740
SHA1 3d49fc2784b9450962ed6b82b46e9c3c957d7c15
SHA512 9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803
SSDEEP 3072:WNuZmJ9TDP3ahD2TF7Rq9cJNPhF9vyHf:WNuZ81zaAFHhF9v
MD5 SHA1 SHA512 SSDEEP

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System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsh97DC.tmp\System.dll
Size 12KB
SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
MD5 0d7ad4f45dc6f5aa87f606d0331c6901
SHA1 48df0911f0484cbe2a8cdd5362140b63c41ee457
SHA512 c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
SSDEEP 192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6
MD5 SHA1 SHA512 SSDEEP

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WinShell.dll

Path C:\Users\Admin\AppData\Local\Temp\nsh97DC.tmp\WinShell.dll
Size 3KB
SHA256 9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
MD5 1cc7c37b7e0c8cd8bf04b6cc283e1e56
SHA1 0b9519763be6625bd5abce175dcc59c96d100d4c
SHA512 7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f
MD5 SHA1 SHA512

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nsExec.dll

Path C:\Users\Admin\AppData\Local\Temp\nsh97DC.tmp\nsExec.dll
Size 6KB
SHA256 5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962
MD5 ec0504e6b8a11d5aad43b296beeb84b2
SHA1 91b5ce085130c8c7194d66b2439ec9e1c206497c
SHA512 3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57
SSDEEP 96:YjHFiKaoggCtJzTlKXb0tbo68qD853Ns7GgmkNq3m+s:JbogRtJzTlNR8qD85uGgmkNr
MD5 SHA1 SHA512 SSDEEP

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Un_A.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
Size 322KB
SHA256 d56148d8188f1f59b8a58aa08830223a29c436ff6e4b701ff835c10951edc85c
MD5 3e134fbdb1ff507afe964aad225c944b
SHA1 823459cfd68d9eb08b12f2ce14558c05605c767b
SHA512 77d60c2f5608224b63e98ec9bae881a1117fe6ddac3eb6c60aaf5fd140103033b91cd8eb2a2a917ac903dc2be53d9f324d8e981c613c0855db547e0edcfa45be
SSDEEP 6144:C740I1STunbw0/5WpmWu6btWks2t0EyL+yaW:wYSinbT5WpdtgRKJW
MD5 SHA1 SHA512 SSDEEP

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